Code in place, need to get it work
changing RNG to PRNG, and nuking Emily Stark's RNG
checkin for lunch
x
Close #4

A good integration of @malgorithms' `more-entropy` and our NIST-standard
HMAC-DRBG to generate bits.  This should satisfy people who are
paranoid about the readible available RNGs in browsers and nodes.
Merge branch 'issue_4'
a little nice thing here